Sealey 300w power inverter 12v dc 230v 50hz sealey pi300 supplies continuous smooth 230v power from 12v dc power supply found in cars caravans boats and hgvs suitable for powering small tvs laptops power tools and various other electrical equipment within the wattage rating of the inverter anodized aluminium case provides durability and maximum heat dissipation safety features include automatic overload shut down and a low battery alarm to prevent damage to the supply battery suppli